Seamless/welded titanium and titanium alloy tubes & pipes Specification astm b337, asme sb338, astm b338, astm b861, astm b862 Material grade gr1, gr2, gr4, gr5, gr7, gr9, gr11, gr12 etc. Dimension range od 3.0-114.0mm, wt 0.2-10.0mm, l18000mm Application heat exchanger, cooling tower, aviation, medical, industry etc.